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Yusuke Arao

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Patents Grantslast 30 patents

  • Information Patent Grant

    Speed calculation device and power conversion device
    • Patent number 11,870,384
    • Issue date Jan 9, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Hiroshi Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device, motor control system, and parameter settin...
    • Patent number 11,451,182
    • Issue date Sep 20, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusuke Arao
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion system and power conversion method
    • Patent number 11,442,415
    • Issue date Sep 13, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takaaki Hayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Voltage imbalance assessment method and power conversion device
    • Patent number 11,340,310
    • Issue date May 24, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kazushige Hotta
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device
    • Patent number 11,050,360
    • Issue date Jun 29, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusuke Arao
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device and power conversion device system
    • Patent number 10,903,759
    • Issue date Jan 26, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusuke Arao
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Power converter device
    • Patent number 8,581,531
    • Issue date Nov 12, 2013
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusaku Onuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power converter device
    • Patent number 8,362,722
    • Issue date Jan 29, 2013
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yusaku Onuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents